For the non-resonant neutron-induced reaction, \(<\)\(\sigma v\)\(>\)  can be expressed by [1]}, [2]}, [3]}
\(\left\langle \sigma v\right\rangle =\mathcal {S}(0)+0.3312\dot{\mathcal {S}}(0)T_9^{1/2}+0.06463\ddot{\mathcal {S}}(0)T_9,\) 
